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The current research on the target tracking control system of the inspection robot has problems such as large target position error, poor target tracking control effect, and fuzzy collected images. In order to solve the above problems, a patrol robot target tracking control system based on narrowband Internet of Things. The system hardware is based on the narrowband IoT wireless communication module, and the Zigbee pressure collector, the central controller and the STM32 main control circuit are optimized to realize the centralized scheduling of data information of the inspection robot target tracking control system. The Zigbee pressure collector is mainly composed of XBee control module and pressure sensor. At the same time, the power supply circuit, crystal oscillator circuit and reset circuit are designed. Through the system hardware, the tracking, control and monitoring of the inspection robot are realized, and the hardware is provided for the system. support. In terms of software, the control flow of the system is given, and the Zigee networking program, embedded vision processing program and autonomous navigation program of the inspection robot are designed. The experimental results show that the target tracking control system of the inspection robot based on the narrowband Internet of Things has smaller target position error, better control effect, and clearer image.